| Type: | Li-Polymer Battery |
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| Cathode Material: | LCO |
| Rechargeable: | Yes |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
Shenzhen Siruituo Technology Co., Ltd. is a leading technology company specializing in polymer lithium-ion batteries. Based in Shenzhen, China, we have a daily production capacity of 80,000 cylindrical battery cells and 200 sets of battery cell molds. Our customers include world-renowned brands such as Motorola, Xiaomi, and many more.
Our experienced team has nearly 10 years of experience in technology, production, quality, and sales. We have multiple independent intellectual property rights and technical patents, ensuring our leading position in the field of polymer lithium-ion batteries in China.
We provide communication base station energy storage, home energy storage products, and industrial and consumer electronic battery solutions. We are committed to providing customers with high-quality, reliable products and professional services to meet their various application needs.
To ensure product quality and environmental safety, we strictly follow ISO9001, ISO14001, OHSAS18001, and IATF16949 management systems, and comply with international and domestic safety and environmental requirements. Our vision is to provide green energy to people around the world, and we will continue to innovate and develop high-performance battery products to promote the application and development of green energy.
402030 polymer lithium-ion battery is a thin-type lithium-ion battery with several advantages.
Firstly, its thin design, with dimensions of 4mm x 20mm x 30mm, makes it ideal for portable electronic devices such as smartwatches, smart glasses, drones, portable speakers, and many more.
Secondly, its high energy density of up to 320Wh/L surpasses traditional liquid electrolyte lithium-ion batteries and provides longer battery life and greater operational capacity to devices.
Moreover, the polymer lithium-ion battery is much safer and more stable than traditional liquid electrolyte lithium-ion batteries, thanks to its use of polymer electrolytes, which help avoid issues such as leakage, short-circuit, overcharging, and over-discharging, ensuring the safety of both the device and the user.
Lastly, the 402030 polymer lithium-ion battery has a long lifespan and can withstand multiple charge and discharge cycles, with low self-discharge rates that allow it to maintain a long battery life even when not in use.
Overall, these advantages make the 402030 polymer lithium-ion battery a popular choice for portable electronic products, smart homes, and portable tools in the European, American, and African markets.
| Item | Specifications |
| Nominal Capacity | 180mAh |
| Battery type | Lithium-ion polymer |
| Wight | Approx 2g |
| Nominal Voltage | 3.7V |
| Battery Size | 4.0*20*30mm |
| Discharge Rate | 25C |
| Long battery life | 300times |
| OEM | Available |
| Advantage | Long-life Cycles; Excellent Safety Performance; No Memory Affects |
| Discharge Operating Temperature | -10ºC~60ºC |
| Charge Operating Temperature | 0ºC~45ºC |
| Charging Time | 1hour |
| Operating Temperature | Charge: 0 to 50 |
| (Surface Temperature) | (Recommended Recharge Release<45ºC) |
| Discharge: -20 to 75 | |
| (Recommended Re-discharge Release<60ºC) | |
| Storage Temperature | 1.5year -30~25ºC(1*) |
| (Recovery 90% Aftert Storage) | 3months -30~45ºC(1*) |
| 1months -30~60ºC(1*) | |
| Shipping | For samples: Tcbest brand samples, delivery within 5 days Customized samples, delivery within 7-9 days For Tcbest brand: Sufficient stocks, delivery at any time. For OEM: Within 100k pcs, 10-15 days; 100-500k pcs, 15-20 days; Over 500k pcs, 25-30 days. |
Suppliers with verified business licenses
Audited Supplier 
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